informer
nounEtymology Inherited from Middle English enformour, from Anglo-Norman enfourmour; equivalent to inform + -er.
1
One who informs someone else about something.
2
A person who tells authorities about improper or illegal activity.
- Being an informer often meant living in fear.
- The police relied on an informer to catch the gang.
1 more example
- He acted as an informer during the rebellion.
3
One who informs, animates, or inspires.
- 1729, Alexander Pope, Prologue to Sophonisba (by James Thomson Nature, informer of the poet's art.
- Synonyms
- informant
- Related terms
- name names